Portable double-disk circulation wire tightening device and adopted wire tightening method

The invention discloses a portable double-disk circulation wire tightening device and an adopted wire tightening method. The portable double-disk circulation wire tightening device comprises a ratchet wire tightening mechanism, and a movable wire pulling mechanism and a fixed wire pulling end which are arranged at both ends of the ratchet wire tightening mechanism, wherein the ratchet wire tightening mechanism comprises two wire stranding boxes installed on a bearing frame side by side; each wire stranding box is coaxially and fixedly connected with one of two groups of ratchets, and the wire stranding box and the group of ratchets are installed on a wire box rotating shaft on the bearing shaft in a rotated manner; each group of the ratchets is provided with a lock-up pawl and a transmission pawl, the lock-up pawls are installed on the bearing frame, and the transmission pawls are installed on a turning handle connected with the wire box rotating shaft; the two groups of transmission pawls are connected with